31. If you don't exercise more, you can't have a good health.

32. Too many telephone poles, advertising billboards, or shop signs lead to visual pollution.

33. If we don't take action immediately, the air will become completely polluted.

34. Both weeds and aquatic plants die as a result of herbicides.

35. If many people respected it, the environment wouldn't be now in danger.

36. Since the water is contaminated, people get more diseases.

37. Because of breathing unclean air, my uncle suffered from lung cancer.

38. The street will look attractive if people stop throwing rubbish in the street.

39. Due to the heavy rain, the road in front of my house was flooded.

40. Light pollution may result from too much use of electric lights in cities.

31. If you exercise more, you can have a good healthy.

32. Too many telephone poles, adversiting billboards, or shop sign lead to the visual pollution.

33. If we take action immediately, the air won't become completely polluted.

34. Both weeds and aquatic plants die because of herbicides.

35. If many people respected the environment, it wouldn't be now in danger(chia đk loại 2, đưa ra giả thuyết ko có thật ở hiện tại)

36. Since the water is contaminated, people got more diseases.

37. Because of breathing in unclear air, my uncle suffered from lung cancer.

38. The street will look attractive if people stop throwing rubbish in it.

39. Due to heavy rain, the road in fron of my house was flooded.

40. Light pollution may results of using too much electric lights in cities.

*Chúc bạn học tốt!*

_Fiona_